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  5. Claude 3 SonnetvsDevstral 2 2512
Updated Dec 2025

Claude 3 SonnetvsDevstral 2 2512

Devstral 2 2512 is the newer model, released after Claude 3 Sonnet.

Claude 3 Sonnet and Devstral 2 2512 compared across 12 shared prompts
SpecClaude 3 SonnetDevstral 2 2512
Input price$3/M tokens—
Output price$15/M tokens—
Weights—Open
Free API (OpenRouter)NoNo
ReleasedMar 2024Dec 2025
Our Verdict
Devstral 2 2512
Devstral 2 2512
Claude 3 Sonnet
Claude 3 SonnetRunner-up

Not enough votes to call it. On the specs, Devstral 2 2512 has the edge: bigger model tier, newer.

Too close to call

Reviewing agent-written code?See a Brief PR report

API pricing

Cost per 1M tokens

Claude 3 Sonnet
Input
$3.00
Output
$15.00
Devstral 2 2512
Input
—
Output
—
Where to run it

1 host

Claude 3 Sonnet

No hosts listed on OpenRouter.

Devstral 2 25121 host
HostInOutContextUptime
Mistral$0.40 in·$2.00 out·262k·100% up

Per million tokens. Prices and uptime via OpenRouter, checked 11 Sep 2026.

Writing DNA

Style Comparison

Similarity
48%

Devstral 2 2512 uses 877.7x more bold

Claude 3 Sonnet
Devstral 2 2512
48%Vocabulary56%
14wSentence Length14w
0.32Hedging0.51
0.0Bold8.8
3.6Lists5.3
0.00Emoji0.31
0.00Headings1.11
0.38Transitions0.18
Based on 4 + 14 text responses
Research

What we learned reading every model

FAQ

Common questions

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Rival
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